void *malloc(unsigned);
void free(void *);

main(void)
{
    char *frase;
    int printf(const char *, ...);

    frase = (char *)malloc(6);
    frase[0] = 'T';
    frase[1] = 'o';
    frase[2] = 'm';
    frase[3] = 'a';
    frase[4] = 's';
    frase[5] = '\0';

    printf("%s\n", frase);

    return 0;
}
